package long_ints is
    subtype MaxInt is Integer Range 1..31;
    subtype LongInt is String(MaxInt'Range);
    function get_long_int return LongInt;
    procedure add_long_ints(num1: in LongInt; num2 : in LongInt);
    procedure print_long_int(num : in LongInt);
    procedure print_dashes(num: in LongInt);
end long_ints;

